Vector vs Pixel image programs*...
A slew of inquiries on the subject of "Browser Safe Colors" followed our
Pixelsmith column last month. Either people are becoming more conscious of optimized
color, or else new software or a new book has hit the shelf. This one is typical
of several over the past month.

“Greetings, love the publication... Help me... I followed the
instructions and used the FreeHand CLUT for vectored artwork, but when it arrives
in Photoshop all the colors have gone south. And, it's impossible to force it back
with Diffusion Dither off or on. (Which looks terrible)”

Okay folks. I'll say it one more time... this time with pictures and step by step...
Read my lips:Forget what you hear. Forget what you read.
Believe what you experience.

Vector programs nearly never generate browser-safe colors in their rasterized counterparts
once running them through a second program. Period. If you find one that proves the
following wrong, please generate two files, 75 x 75 pixels, and email them to me
so I can see for myself. __ If you're using FreeHand 5.0, don't count on it working
FreeHand 7. This is a question mark for us too, because we don't have the program,
and don't plan to purchase it. If they'd like to send us a comp copy we'll gladly
test it and report on our findings. Some say it works, but have not seen the results.__ Our testing has shown that anytime a program rasterizes
the file from another program of a differing format, the colors will change. If you
rasterize a vector file in Illustrator or Freehand and find the results accurate,
don't re-rasterize in another program.

With the following method we can guarantee color fidelity no matter what program
generated the art.

At left we see a simple comparison.

The logo was imported using the “browser safe” method, but when it arrives the colors
are slightly off.

(Go ahead. Capture the gif file and test it in your image processing software. It
probably won't even be the colors we show here! They'll probably shift yet another
time upon import into your program!)

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